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Individual Calculations October 2008 |
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| Lu, Edward J Total change: 21.60 | |   |
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| 2008 US Junior Closed | Lindsorg, Kansas | USA | 2008-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2212 | 2185 | 2.50 | 7 | -0.73 | 15 | -10.95 | |
|  Hughes, Tyler B | | | 2151 | USA | 0.00 | 1 | -0.55 | 15 | -8.25 | |  Young, Gregory | | | 2233 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Yeager, Daniel A | f | | 2300 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Sawyer, Bradley J | | | 2119 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Hughes, Tyler B | | | 2151 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Young, Gregory | | | 2233 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Yeager, Daniel A | f | | 2300 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 36th Annual World Open (U2400 Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2226 | 2185 | 3.50 | 7 | 0.38 | 15 | 5.70 | |
| | Bournival, Braden | f | | 2320 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Tan, Derek J | | | 2168 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Bouzoukis, Charles | | | 2244 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Daly, Troy | | | 2151 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Bryant, Todd C | | | 2020 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Kaufman, Raymond S | f | | 2359 | USA | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Nikolayev, Igor A | f | | 2322 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 109th Annual US Open | Dallas, Texas | USA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2317 | 2185 | 3.50 | 6 | 1.46 | 15 | 21.90 | |
| | Yermolinsky, Alex | g | | 2530 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Mc Cartney, Patrick | | | 2145 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Luchan, Jason G | | | 2130 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Arnold, Marc Tyler | f | | 2336 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Kuderinov, Kirill | m | | 2422 | KAZ | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Battaglini, Gabriel | | | 2341 | FRA | 0.50 | 1 | 0.21 | 15 | 3.15 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 40th Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 2185 | 1.50 | 4 | -0.63 | 15 | -9.45 | |
| | Stein, Jeremy A | | | 2098 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Margulis, Yevgeni | | | 2271 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Chan, Julian M | | | 2118 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | De, Fotis Gary C | | | 2154 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 72nd Annual Virginia Closed Stste Championship | Glen Allen, Virginia | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2185 | 3.00 | 4 | 0.96 | 15 | 14.40 | |
| | Rogalski, Timothy | | | 2047 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Shibut, Macon A | f | | 2264 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Miller, Daniel | | | 2266 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Balasubramanian, Adithya | | | 2135 | IND | 0.50 | 1 | -0.07 | 15 | -1.05 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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